Visit the Global Dimension for a plethora of curricula resources, replete with full lesson and unit plans, video clips, and more. Browsable by content area.
Visit http://www.curriki.org/ for an excellent place for free resources and collaboration. I was able to connect with an English teacher in Bangladesh through this site!
Take a ride on the cyberschoolbus, hosted by the United Nations, to see briefings on 20 current world issues and for a variety of curricula, games and quizzes, and other resources.
Join the Curriculum21 Ning for support as you take your teaching into the 21st century! Click here to go to the Curriculum21 home page for even further support and resources.
If you want your students to have global, online pen pals, visit http://www.epals.com/
If you want your students to connect to other students around the world, TakingITGlobal is a social networking site that allows them to organize around global issues, and the use of 21st century skills and technologies are embedded in the activities they (and you) can take part in.
http://www.dosomething.org/ has a host of projects students can get involved in around the world, among other things. They also host a global awareness symposium.
An international news and blog source is available at Global Voices.
A tremondous resource for teachers provided by the Peace Corps--lesson plans searchable by content area at http://www.peacecorps.gov/wws/educators/ View the video for an overview of what the site offers.
Technology Links (for developing 21st century skills and literacies):
Technology Links (for developing 21st century skills and literacies):